Welcome to our dedicated page for Littelfuse SEC filings (Ticker: LFUS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Littelfuse Inc (NASDAQ: LFUS) SEC filings page on Stock Titan brings together the company’s regulatory disclosures, helping investors review how this diversified industrial technology manufacturer reports its performance and material events. Littelfuse files annual reports on Form 10-K, quarterly updates on Form 10-Q, and current reports on Form 8-K, along with other required documents.
Recent Form 8-K filings illustrate how the company uses these reports to communicate important information. Littelfuse has filed 8-Ks to furnish quarterly earnings press releases, including segment-level data for its Electronics, Transportation, and Industrial businesses, as well as non-GAAP metrics such as organic net sales growth, adjusted operating income, adjusted EBITDA, and free cash flow. These filings also reference slide presentations and investor materials hosted on the company’s investor relations site.
Other 8-Ks document corporate actions and governance events. For example, Littelfuse filed an 8-K describing its entry into a membership interest purchase agreement to acquire Basler Electric Company, outlining key terms, conditions, and risk factors related to the transaction. Another 8-K reports on executive leadership changes within the Semiconductor Business of the Electronics segment.
On this page, users can access Littelfuse’s 10-K and 10-Q filings for detailed financial statements, risk factor discussions, and segment disclosures, as well as 8-Ks covering acquisitions, earnings releases, and leadership updates. Stock Titan’s AI-powered tools summarize lengthy filings, highlight important sections, and make it easier to interpret complex topics such as non-GAAP reconciliations, transaction agreements, and compensation-related disclosures. Investors can also review insider and governance-related filings, where available, to better understand the company’s corporate actions and reporting history.
Peter Kim has filed a Form 144 to sell 5,488 shares of Littlefuse common stock. The shares are to be sold through Merrill in Columbus, Ohio, on or about 02/02/2026 on the NASDAQ, with an aggregate market value of $1,791,013.41 and 24,901,687 shares outstanding.
The shares were acquired on 07/10/2020 via a stock option exercise from Littlefuse and are to be paid for in cash. In the past three months, Peter Kim also sold 2,049 common shares on 12/11/2025 for gross proceeds of $553,284.68. By signing the notice, he represents that he knows no undisclosed material adverse information about Littlefuse.
Littelfuse, Inc. investor Ryan Stafford has filed to sell 16,839 shares of Littelfuse common stock. The shares are expected to be sold on or about 02/02/2026 through Merrill on the NASDAQ, with an aggregate market value of $5,476,944.01.
The shares were originally acquired on 04/23/2020 through a stock option exercise, with cash payment dated 02/02/2026. Over the past three months, Stafford previously sold 2,162 common shares on 12/11/2025 for gross proceeds of $580,102.96.
Littelfuse insider Deepak Nayar has filed a notice of intent to sell 8,875 shares of Littelfuse common stock. The planned sale, through Merrill on the NASDAQ, has an aggregate market value of
The shares to be sold were acquired by exercising stock options from Littelfuse on
Littelfuse, Inc. filed a current report to furnish a press release announcing its results of operations for the quarter and full year ended December 27, 2025. The press release is attached as Exhibit 99.1 and an accompanying investor presentation is attached as Exhibit 99.2.
Both documents, which include forward-looking statements about the company’s objectives, strategies, financial condition and business, are also made available on the Littelfuse investor relations website.
Littelfuse, Inc. reported that it has agreed to the separation of Ryan K. Stafford, its Executive Vice President, Mergers & Acquisitions, Chief Legal Officer and Corporate Secretary, effective April 30, 2026. The separation terms are set out in a Letter Agreement dated January 7, 2026.
Subject to his signing and not revoking a Separation and Release Agreement, Mr. Stafford will receive a lump-sum cash payment under the company’s Executive Severance Policy, accelerated vesting of 50% of the restricted stock units granted on January 23, 2025, a prorated 2026 cash bonus under the Annual Incentive Plan, and continued or reimbursed welfare and fringe benefits for limited transition periods. The company and Mr. Stafford also plan to enter into a Separation and Release Agreement with customary confidentiality, release of claims, and non-disparagement provisions.
Littelfuse Inc. disclosed insider stock transactions by an officer serving as SVP & GM Industrial Business. On December 11, 2025, the officer exercised a stock option covering 2,049 shares of common stock at an exercise price of $132.08 per share, converting the option into directly owned shares.
That same day, the officer sold 2,029 shares of Littelfuse common stock at a weighted average price of $270.02 per share and an additional 20 shares at $270.41 per share. After completing these transactions, the officer directly beneficially owned 10,175 shares of Littelfuse common stock.
Littelfuse Inc. reported an insider stock transaction by its Executive Vice President, Chief Legal Officer and Corporate Secretary. On 12/11/2025, the officer sold 2,162 shares of Littelfuse common stock.
The shares were sold in multiple transactions at a weighted average price of $268.31 per share, with individual trade prices ranging from $267.92 to $268.65. Following these sales, the officer beneficially owns 28,591 shares of Littelfuse common stock directly.
Littelfuse Inc. reported an insider transaction by a director involving company common stock. On 12/05/2025, the director acquired 3 shares of Littelfuse common stock at a price of $258.99 per share. The filing explains that these shares represent stock accrued as payment of dividends on unvested restricted stock units.
After this transaction, the director beneficially owned 1,814 shares of Littelfuse common stock, held directly. The report is filed for one reporting person in the capacity of a director of the company.
Littelfuse Inc. reported an insider stock transaction by its SVP, CHRO. On 12/05/2025, the officer acquired 7 shares of Littelfuse common stock at $258.99 per share, recorded as shares accrued as dividend payments on unvested restricted stock units. After this transaction, the officer directly beneficially owns 6,719 shares of Littelfuse common stock.
Littelfuse Inc. insider transaction: A director and officer serving as President & CEO acquired 37 shares of Littelfuse common stock on 12/05/2025 at a price of $258.99 per share. These shares represent dividends paid on unvested restricted stock units. Following this acquisition, the reporting person directly beneficially owns 13,951 Littelfuse shares.
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